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Description

1.4455 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: 1.4455

Chemical composition(mass fraction)(wt.%) of the 1.4455

C
Si
Mn
P
S
Cr Ni
0.04    7.0      20.5  16.0 
Mo Al Cu Nb Ti V Ce
3.0             
N Co Pb B Other    
 0.18            
             

Mechanical Properties of steel grade 1.4455

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
123 (≥) 349 (≥) 44 42 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade 1.4455

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
21 - -     0.42 -  
411 469 - 42.3 143   -  
582 - 42 23.2   341 342

Heat Treatment of steel grade 1.4455

Heat treated : 1516°C - 1689°C

Technological Curves of steel grade 1.4455


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